MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e42631968d615a04e5e2fcda8372d42b232fb57bff3d55d912661850fb71b61. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


StormKitty


Vendor detections: 15


Intelligence 15 IOCs YARA 22 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7e42631968d615a04e5e2fcda8372d42b232fb57bff3d55d912661850fb71b61
SHA3-384 hash: be40790996c8b5bad21075378f776e97f48dedb119749aec240124fbc322ef3e08404b20b6b5ea989b53c78eaf2a000e
SHA1 hash: dca5b72e96534b22d76aee9a9bc4e8fb26f61a80
MD5 hash: 27d64cc42ad205f8c97dd5c0af45ca6f
humanhash: fourteen-alanine-uranus-monkey
File name:27d64cc42ad205f8c97dd5c0af45ca6f
Download: download sample
Signature StormKitty
Create hunting rule
File size:179'200 bytes
First seen:2022-06-05 20:11:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:fe8oX8Sb5KcXrtkkXmf/bDsvqtU+lLToChAP0UZ0b2gTKwAqE+Wpor:qXtb5KcXr7XmfgqtjhAxZ0b2T
Threatray 8'826 similar samples on MalwareBazaar
TLSH T1F2046C5837E80A15E3FE5FB8F0B012158B76B477AA1AE75F08E920ED0D62750E511FA3
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 exe StormKitty

Intelligence

File Origin
# of uploads :
1
# of downloads :
987
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
27d64cc42ad205f8c97dd5c0af45ca6f
Verdict:
Malicious activity
Analysis date:
2022-06-05 20:12:19 UTC
Tags:
stealer asyncrat evasion
Link:
https://app.any.run/tasks/be770f33-1b22-4485-9325-bf5be1886c5a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
StormKitty
Create hunting rule
Link:
https://www.capesandbox.com/analysis/276848/
Detection(s):
Win.Packed.AsyncRAT-9856570-1
Create hunting rule

Win.Packed.AsyncRAT-9938103-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Creating a window
Running batch commands
Launching a process
Launching the process to change network settings
Сreating synchronization primitives
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat cmd.exe coinminer dcrat findstr.exe greyware hacktool keylogger njrat obfuscated packed rat replace.exe samas schtasks.exe stealer virus
Link:
https://www.filescan.io/uploads/629d0e4e1fdbb8e83143c975/reports/7cb030b5-153b-48fe-be52-402cf5d4486f/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Stealerium Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2a6ce218-c48c-4760-9454-6ef7390110e2
Result
Threat name:
AsyncRAT, StormKitty
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007013
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Yara detected Telegram Recon
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 639509 Sample: F4aLuauRAL Startdate: 05/06/2022 Architecture: WINDOWS Score: 100 40 icanhazip.com 2->40 42 api.telegram.org 2->42 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 14 other signatures 2->56 8 F4aLuauRAL.exe 15 142 2->8         started        signatures3 process4 dnsIp5 44 205.12.2.0.in-addr.arpa 8->44 46 api.telegram.org 149.154.167.220, 443, 49850, 49851 TELEGRAMRU United Kingdom 8->46 48 3 other IPs or domains 8->48 32 C:\Users\user\AppData\...FOYFBOLXA.pdf, ASCII 8->32 dropped 34 C:\Users\user\AppData\...\QCFWYSKMHA.docx, ASCII 8->34 dropped 36 C:\Users\user\AppData\...\BNAGMGSPLO.png, ASCII 8->36 dropped 38 2 other malicious files 8->38 dropped 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->58 60 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 8->60 62 Tries to harvest and steal browser information (history, passwords, etc) 8->62 64 2 other signatures 8->64 13 cmd.exe 1 8->13         started        16 cmd.exe 1 8->16         started        file6 signatures7 process8 signatures9 66 Uses netsh to modify the Windows network and firewall settings 13->66 68 Tries to harvest and steal WLAN passwords 13->68 18 netsh.exe 3 13->18         started        20 conhost.exe 13->20         started        22 findstr.exe 1 13->22         started        24 chcp.com 1 13->24         started        26 netsh.exe 3 16->26         started        28 conhost.exe 16->28         started        30 chcp.com 1 16->30         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7e42631968d615a04e5e2fcda8372d42b232fb57bff3d55d912661850fb71b61/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2022-05-26 21:26:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pzbgggli2yk2ats6f7g2qnznikzdf62xx7z5kxmrezqykd5xdnqq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
23ca2524056b8f020707b5d3fc559040a2bfd4803a120e282cb24f67514e4759
StormKitty
703cebeff04a0cbadeb1772d129f68a4c998f8b3f36e0c1ef9d343df0a90949d
StormKitty
7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab
StormKitty
7d4b5d1c4d2ac49cf030034937c48662bdb6bc3d765b2ae575d613a13c5ca46f
StormKitty
d9c811eae2b07eca77f74ca45e1efee2a2c91add3f8606c489f526eb43f55287
StormKitty
f101ea42d63ecc3c5c56db1b6b69083489bd914ccefb493f3dc24407c31da860
StormKitty
+ 8'816 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:stormkitty rat spyware stealer suricata
Link:
https://tria.ge/reports/220605-yytktscfb6/
Behaviour
Suspicious use of WriteProcessMemory
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Drops desktop.ini file(s)
Looks up external IP address via web service
Looks up geolocation information via web service
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
StormKitty
StormKitty Payload
suricata: ET MALWARE StormKitty Data Exfil via Telegram
Unpacked files
SH256 hash:
84a2c4670f92026c572001b770a94ac1e002fcc8a1df885a84cba83893a4ae95
MD5 hash:
6b7da516b20860ce26ce39e4ae011828
SHA1 hash:
afce324c818bb0abdca9307e67cfa612a3f17356
Link:
https://www.unpac.me/results/1f752e66-a339-4297-9cb7-d680514fa14a/
SH256 hash:
7e42631968d615a04e5e2fcda8372d42b232fb57bff3d55d912661850fb71b61
MD5 hash:
27d64cc42ad205f8c97dd5c0af45ca6f
SHA1 hash:
dca5b72e96534b22d76aee9a9bc4e8fb26f61a80
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/1f752e66-a339-4297-9cb7-d680514fa14a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7e42631968d615a04e5e2fcda8372d42b232fb57bff3d55d912661850fb71b61

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Create hunting rule
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MALWARE_Win_StormKitty
Create hunting rule
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_Lokibot_Stealer
Create hunting rule
Description:Detects Lokibot Stealer Variants
Rule name:pe_imphash
Create hunting rule
Rule name:Redline_Stealer_Monitor
Create hunting rule
Description:Detects RedLine Stealer Variants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

StormKitty

Executable exe 7e42631968d615a04e5e2fcda8372d42b232fb57bff3d55d912661850fb71b61

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2226296/
Cape
Cape
https://www.capesandbox.com/analysis/276848/

Comments


Avatar
zbet commented on 2022-06-05 20:11:31 UTC

url : hxxps://kb-cz.com/hh/java.exe